S61.05
Non-Billable

Open bite of thumb without damage to nail

Non-Billable / Non-Specific Code

What is Open bite of thumb without damage to nail?

ICD-10-CM S61.05 is the diagnosis code for Open bite of thumb without damage to nail. This code falls under the section "Injuries to the wrist, hand and fingers" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for S61.05

✅ This Code Includes

  • Bite of thumb NOS

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as S61.05. They are mutually exclusive:

  • superficial bite of thumb (S60.36-, S60.37-)

ICD-10-CM Code Hierarchy

Understanding where S61.05 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 3 entries
S61.051Open bite of right thumb without damage to nailBillableS61.052Open bite of left thumb without damage to nailBillableS61.059Open bite of unspecified thumb without damage to nailBillable
Related Codes

Frequently Asked Questions

Is S61.05 a billable ICD-10-CM code?

No, S61.05 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does S61.05 mean?

S61.05 is the ICD-10-CM diagnosis code for "Open bite of thumb without damage to nail". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of S61.05?

The parent code of S61.05 is S61.0 ("Open wound of thumb without damage to nail"). S61.05 provides a more specific classification within this category.

What section is S61.05 in?

S61.05 is located in Section S60-S69 — "Injuries to the wrist, hand and fingers" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of S61.05?

S61.05 has 3 sub-code(s) that provide more specific detail: S61.051, S61.052, S61.059.

When should I use S61.05?

Use S61.05 when the patients documented diagnosis matches "Open bite of thumb without damage to nail" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Open bite of thumb without damage to nail?

The ICD-10-CM code for Open bite of thumb without damage to nail is S61.05.

Can S61.05 be used for primary diagnosis?

No, S61.05 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is S61.05 in?

S61.05 is in Chapter 19 of the ICD-10-CM Tabular List.

What conditions are excluded from S61.05?

Type 1 Excludes for S61.05 include: superficial bite of thumb (S60.36-, S60.37-).

Is S61.05 valid for 2026?

Yes, S61.05 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousS61.049Puncture wound with foreign body of unspecified thumb without damage to nailNext →S61.051Open bite of right thumb without damage to nail
Code Details
S61.05
Open bite of thumb without damage to nail
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
S60-S69 — Injuries to the wrist, hand and fingers
2026 ICD-10-CM